We are going to modify the code in the next commit. Renaming
the 'resp' variable to 'id' first makes the next commit easier
to review. No logical changes.
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
Reviewed-by: Stefano Garzarella <sgarz...@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com>
---
block/nvme.c | 19 +++++++++----------
1 file changed, 9 insertions(+), 10 deletions(-)
diff --git a/block/nvme.c b/block/nvme.c
index 419178adda3..15c5202c03c 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -510,8 +510,8 @@ static void nvme_identify(BlockDriverState *bs, int
namespace, Error **errp)
BDRVNVMeState *s = bs->opaque;
NvmeIdCtrl *idctrl;
NvmeIdNs *idns;
+ uint8_t *id;
NvmeLBAF *lbaf;
- uint8_t *resp;
uint16_t oncs;
int r;
uint64_t iova;
@@ -520,14 +520,14 @@ static void nvme_identify(BlockDriverState *bs, int
namespace, Error **errp)
.cdw10 = cpu_to_le32(0x1),
};
- resp = qemu_try_blockalign0(bs, sizeof(NvmeIdCtrl));
- if (!resp) {
+ id = qemu_try_blockalign0(bs, sizeof(NvmeIdCtrl));
+ if (!id) {
error_setg(errp, "Cannot allocate buffer for identify response");
goto out;
}
- idctrl = (NvmeIdCtrl *)resp;
- idns = (NvmeIdNs *)resp;
- r = qemu_vfio_dma_map(s->vfio, resp, sizeof(NvmeIdCtrl), true, &iova);
+ idctrl = (NvmeIdCtrl *)id;
+ idns = (NvmeIdNs *)id;
+ r = qemu_vfio_dma_map(s->vfio, id, sizeof(NvmeIdCtrl), true, &iova);
if (r) {
error_setg(errp, "Cannot map buffer for DMA");
goto out;
@@ -554,8 +554,7 @@ static void nvme_identify(BlockDriverState *bs, int
namespace, Error **errp)
s->supports_write_zeroes = !!(oncs & NVME_ONCS_WRITE_ZEROS);
s->supports_discard = !!(oncs & NVME_ONCS_DSM);
- memset(resp, 0, 4096);
-
+ memset(id, 0, 4096);
cmd.cdw10 = 0;
cmd.nsid = cpu_to_le32(namespace);
if (nvme_cmd_sync(bs, s->queues[INDEX_ADMIN], &cmd)) {
@@ -587,8 +586,8 @@ static void nvme_identify(BlockDriverState *bs, int
namespace, Error **errp)
s->blkshift = lbaf->ds;
out:
- qemu_vfio_dma_unmap(s->vfio, resp);
- qemu_vfree(resp);
+ qemu_vfio_dma_unmap(s->vfio, id);
+ qemu_vfree(id);
}
static bool nvme_poll_queues(BDRVNVMeState *s)
--
2.26.2
